Inst ToolsInst ToolsInst Tools
  • Ask
  • Courses
  • Videos
  • Q & A
    • Interview
      • Instrumentation
      • Electronics
      • Electrical
      • Practical Questions
    • MCQ
      • Instrumentation MCQ
      • Electrical MCQ
      • Electronics MCQ
      • Control Systems MCQ
      • Analog Electronics MCQ
      • Digital Electronics MCQ
      • Power Electronics MCQ
      • Microprocessor MCQ
      • Multiple Choice Questions
  • EE
    • Electronics
      • Electronics Q & A
      • Electronic Basics
      • Electronic Devices & Circuits
      • Electronics Animation
      • Digital Electronics
    • Electrical
      • Electrical Basics
      • Electrical Q & A
      • Power Electronics
      • Electrical Machines
      • Electrical Animation
      • Power Systems
      • Switchgear & Protection
      • Transmission & Distribution
  • Measure
    • Control Valves
    • Calibration
    • Temperature
    • Pressure
    • Flow
    • Level
    • Analyzers
    • Switches
    • Vibration
    • Solenoid Valve
  • Control
    • PLC Tutorials
    • Control Systems
    • Safety Instrumented System (SIS)
    • Communication
    • Fire & Gas System
  • More
    • Design
    • Tools
    • Animation
    • Basics
    • Formulas
    • Standards
    • TextBooks
    • Common
    • Software
    • Excel Tools
    • Erection & Commissioning
    • Process Fundamentals
    • Videos
    • Books
Search
All rights reserved. Reproduction in whole or in part without written permission is prohibited.
Reading: Programmable Logic Controller (PLC) Questions and Answers – 16
Share
Notification Show More
Font ResizerAa
Inst ToolsInst Tools
Font ResizerAa
  • Courses
  • PLC Tutorials
  • Control Systems
Search
  • Ask
  • Courses
  • Videos
  • Q & A
    • Interview
    • MCQ
  • EE
    • Electronics
    • Electrical
  • Measure
    • Control Valves
    • Calibration
    • Temperature
    • Pressure
    • Flow
    • Level
    • Analyzers
    • Switches
    • Vibration
    • Solenoid Valve
  • Control
    • PLC Tutorials
    • Control Systems
    • Safety Instrumented System (SIS)
    • Communication
    • Fire & Gas System
  • More
    • Design
    • Tools
    • Animation
    • Basics
    • Formulas
    • Standards
    • TextBooks
    • Common
    • Software
    • Excel Tools
    • Erection & Commissioning
    • Process Fundamentals
    • Videos
    • Books
Follow US
All rights reserved. Reproduction in whole or in part without written permission is prohibited.
Inst Tools > Blog > Practical Questions > Programmable Logic Controller (PLC) Questions and Answers – 16

Programmable Logic Controller (PLC) Questions and Answers – 16

Last updated: June 6, 2018 10:07 am
Editorial Staff
Practical Questions
1 Comment
Share
1 Min Read
SHARE

AB Programmable Logic Controller (PLC) Questions and Answers

Suppose we have an Allen-Bradley MicroLogix 1000 controller connected to three pushbutton switches as shown in this illustration:

Allen-Bradley MicroLogix controller

Determine the necessary switch actuation statuses (i.e. pressed versus unpressed) to turn the blue lamp on, given the following program running in the PLC:

Allen-Bradley MicroLogix controller ladder logic

Answer :

  • Switch A = pressed
  • Switch B = released
  • Switch C = pressed

Share Your Answer / Comments

Credits :  Tony R. Kuphaldt – under CC BY 1.0

For More PLC Questions : CLICK HERE

 

Don't Miss Our Updates
Be the first to get exclusive content straight to your email.
We promise not to spam you. You can unsubscribe at any time.
Invalid email address
You've successfully subscribed !
Motor Trip Logic using PLC Programming
Determine Level of Liquid in the Vessel and its Specific Gravity
Analytical Process Control Question
Find Thermocouple Ouput Voltage
Calculate Density and Specific Gravity
Share This Article
Facebook Whatsapp Whatsapp LinkedIn Copy Link
Share
1 Comment
  • Linton Thomas says:
    December 4, 2018 at 2:19 am

    Hi, do satellite and space probes have PLC?

    Reply

Leave a Reply Cancel reply

Your email address will not be published. Required fields are marked *

Stay Connected

128.3kFollowersLike
69.1kFollowersFollow
208kSubscribersSubscribe
38kFollowersFollow

Categories

Recent Comments

  • Guifty Shimica on Top Non-PLC Certification Courses for Automation Professionals
  • Guifty Shimica on Top Non-PLC Certification Courses for Automation Professionals
  • MIHARITSOA Aina Sitraka on Top Non-PLC Certification Courses for Automation Professionals
  • Vaishnavi on Free Instrumentation Course for Trainee Engineers

Related Articles

Differential Capacitance Pressure Sensor Circuit

Differential Capacitance Pressure Sensor Circuit

Pressure gauge mechanism

How Measurement Span of Pressure Gauge Could be Changed?

PLC Circuit Answers

PLC connected to Three Pushbutton Switches

DP Transmitter Problem

DP Transmitter Problem

Calculate the Magnitude of Hydrostatic Pressure

Calculate the Magnitude of Hydrostatic Pressure

Resistance Temperature Detector (RTD) Questions

Resistance Temperature Detector (RTD) Questions – 1

Which instrument is faulty

Which Instrument is Faulty? Transmitter, Recorder, or Controller

Accuracy of a Manometer

What Affect the Pressure Measurement Accuracy of a Manometer?

More Articles

Quantitative PID tuning procedures

Quantitative PID tuning procedures

Capacitance-Level-Transmitter

Capacitance Level Switch Calibration

Ultrasonic Level Transmitters Installation

Ultrasonic Level Transmitter Principle, Limitations, Calibration and configuration

HART Transmitter Calibration

How are HART instruments Calibrated?

Power Systems Questions & Answers

Power Systems MCQ Series 17

Load Cell Assembly

Urea Bagging Plant – Process Flow

Shunt-Wound DC Generator Principle

Shunt-Wound DC Generators

Valve Non-rising Stems

Valve Functions and Basic Parts of Valve

Follow US
All rights reserved. Reproduction in whole or in part without written permission is prohibited.
Welcome Back!

Sign in to your account

Username or Email Address
Password

Lost your password?